/*
*    Qizx/open 3.0 beta
*
* This code is the open-source version of Qizx.
* Copyright (C) 2004-2009 Axyana Software -- All rights reserved.
*
* The contents of this file are subject to the Mozilla Public License 
*  Version 1.1 (the "License"); you may not use this file except in 
*  compliance with the License. You may obtain a copy of the License at
*  http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
*  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
*  for the specific language governing rights and limitations under the
*  License.
*
* The Initial Developer of the Original Code is Xavier Franc - Axyana Software.
*
*/
using System;
using QizxException = System.Qizx.Api.QizxException;
using BasicNode = System.Qizx.Xdm.BasicNode;
using NodeSequenceBase = System.Qizx.Xdm.NodeSequenceBase;
using XQValue = System.Qizx.XQuery.XQValue;
namespace System.Qizx.XQuery.Dt {

    /// <summary>	</summary>
    public class SingleNode : NodeSequenceBase {
        public override System.Object Object {
            get {
                return _value.Object;
            }

        }
        private BasicNode _value;
        private bool started = false;

        public SingleNode(BasicNode node) {
            _value = node;
        }

        public override bool Next() {
            return started ? false : (started = true);
        }

        public override XQValue BornAgain() {
            return new SingleNode(_value);
        }

        public override BasicNode GetBasicNode() {
            return _value;
        }
    }
}